Product comparison · 2 internal hard drives

Seagate 320GB SATA2 vs Seagate Barracuda XT

8specifications compared
6differ
2identical
19known for one product only

Key differences

HDD capacity
- 320GB SATA2:320 GB
- Barracuda XT:3 TB
HDD speed
- 320GB SATA2:5400 RPM
- Barracuda XT:7200 RPM
HDD size
- 320GB SATA2:2.5"
- Barracuda XT:3.5"
Interface
- 320GB SATA2:Serial ATA II
- Barracuda XT:Serial ATA
Storage drive buffer size
- 320GB SATA2:16 MB
- Barracuda XT:64 MB
Operating voltage
- 320GB SATA2:5 V
- Barracuda XT:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 320GB SATA2, Barracuda XT
27 specifications	A Seagate 320GB SATA2 View product	B Seagate Barracuda XT View product
Features5 differ
HDD capacityDiffers	320 GB	3 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Component forKnown for one	Laptop	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	64 MB
Bytes per sectorKnown for one	4096	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	1.4 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.48 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	350 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	70 mm	Unknown — not stated by the source
DepthKnown for one	100.5 mm	Unknown — not stated by the source
HeightKnown for one	7 mm	Unknown — not stated by the source
WeightKnown for one	92 g	Unknown — not stated by the source
Other featuresidentical
Product colour	Black	Black
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	2.2 dB	Unknown — not stated by the source
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	Windows Vista, 7

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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